Ecumenical Patriarch Kastinos

Ecumenical Patriarch Kastinos (180-237) was the Ecumenical Patriarch of Constantinople from 230 to 237, succeeding Ecumenical Patriarch Kyriakos I and preceding Ecumenical Patriarch Eugenios.

Biography
Kastinos was a senator of the Roman Empire before being baptized as a Christian by Bishop Cyrillianus of Argyropolis. Kastinos gave his fortune to the poor, and in 230 AD he became the Bishop of the See of Byzantium. He died in 237.